Home / 5,618.44-7,752.81-3,260.12

Finding the Fourth Proportional to 5,618.44, 7,752.81 and 3,260.12

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Solution

The fourth proportional to 5,618.44, 7,752.81 and 3,260.12 is: 4,498.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,618.44 : 7,752.81 = 3,260.12 : x
  2. Step 2: Convert to fraction form
    5,618.44/7,752.81 = 3,260.12/x
  3. Step 3: Cross multiply
    5,618.44x = 7,752.81 × 3,260.12
  4. Step 4: Simplify right side
    5,618.44x = 25,275,090.94
  5. Step 5: Solve for x
    x = 25,275,090.94/5,618.44
  6. Step 6: Final answer
    x = 4,498.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.